[ 4674.155426][T24811] gre: GRE over IPv4 demultiplexor driver
[ 4676.340799][T24834] ip_gre: GRE over IPv4 tunneling driver
[ 4742.583606][T25407] ip6_gre: GRE over IPv6 tunneling driver
[ 4772.041765][T25656] ping (25656) used greatest stack depth: 23328 bytes left
[ 4789.319679][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4795.591599][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4800.904598][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4807.239594][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!